Theorems · Theorem · linear algebra

Finsupp.domLCongr_single

∀ {M : Type u_2} {R : Type u_5} [inst : Semiring R] [inst_1 : AddCommMonoid M] [inst_2 : Module R M] {α₁ : Type u_9}
  {α₂ : Type u_10} (e : α₁ ≃ α₂) (i : α₁) (m : M), ((Finsupp.domLCongr e) fun₀ | i => m) = fun₀ | e i => m

Defined in

Mathlib.LinearAlgebra.Finsupp.LSum

Cited by

3 results in Mathlib

Foundations

Depth 81 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

SemiringAddCommMonoidModule